Game of Thrones: Season 7 Finale

Season 7 finale of Game of Thrones was more of a confirmation to some of the aspects we have figured out. For example Jon Snow is Daenerys brothers son which makes Jon the nephew of Daenerys. Incest was common during those times, we saw that with Cersei and Jaime now with Jon and Dany. What are your thoughts on the finale and details leading up to Jon Snow true identity?